Oh, I know the type, while in the Navy, when the ship pulled into the yards for maintenance one time, 3 of us from deck were "lent" to the boat maintenance "shack" led by a salty old civilian who didn't even know what PPE was, we were there to refurbish our 2 boats, but he had us doing all sorts of things, learned a lot, but went out and bought me a rtespirator, and other PPE for the second day. Turned out well, as the guys on the ship were getting off around 4-6 pm, we left much earlier, and had most Fridays off. Not a bad 3 months, and now I can roll awlgrip with the best of them.